The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 05, 1992
Filed:
Dec. 17, 1990
Applicant:
Inventors:
Jarmo Lehtonen, Tampere, FI;
Jukka Kinnunen, Tampere, FI;
Assignee:
Tampella AB, Tampere, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21F / ;
U.S. Cl.
CPC ...
162358 ; 100154 ; 162205 ; 162361 ;
Abstract
A press with extended press zone in a paper machine comprising a rotating press roll (1), a press shoe (2), and a slide band (7) sliding along the surface of the press shoe, a web (6) being passed between felts (4, 5) through the press, where it is pressed between the roll (1) and the slide band (7). The press shoe (2), designed to operate hydrodynamically, has a surface provided with a pocket area (d) formed by one or more pockets of small average thickness. If required, pressurized lubricant can be introduced to the pocket area to achieve the desired press effect and speed.